[lwip-devel] [bug #62832] Allow NULL buffer to pbuf_get_contiguous()

[Colin Foster]

Follow-up Comment #2, bug #62832 (project lwip):

[comment #1 comment #1:]
> When the required data spans more than one pbuf, null is passed in and the
data cannot be copied out

That's the point I address below. If data spans more than one pbuf, NULL would
be returned in which case further action (allocating a buffer on the stack,
for example) would become necessary. But in cases where the payloads almost
never (or actually never) span multiple pbufs, why force the user to always
allocate a separate buffer that'll never get used?


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